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Nonprofit · EIN 20-5111004

TREGARON CONSERVANCY

Tax-exempt · WASHINGTON, DC 20008

Financials

$352K$221K2023$798K$281K2024$732K$311K2025
Revenue Expenses · by fiscal year end
Financials of TREGARON CONSERVANCY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$731,708$311,116$420,592$4,130,247$4,864$4,125,383
December 31, 2024990$797,601$281,089$516,512$3,705,973$1,182$3,704,791
December 31, 2023990$351,521$220,716$130,805$3,189,062$783$3,188,279
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$476,584
Program service revenue
$0
Investment income
$255,124
Net gain from sales of assets
$156,139
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$82,917
Salaries, compensation and benefits (total)
$90,071
Professional fundraising fees
$0
Accounting fees
$13,235
Depreciation
$20,286
Program services (functional)
$234,954
Management and general (functional)
$36,836
Fundraising (functional)
$39,326

Balance sheet and other

Total assets, start of year
$3,705,973
Total assets, end of year
$4,130,247
Total liabilities, end of year
$4,864
Net assets, end of year
$4,125,383
Land, buildings and equipment
$767,969
Publicly traded securities
$2,508,193
Gross receipts
$731,708
Employees
1
Volunteers
110
Year formed
2006
State of legal domicile
DC

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Lynn ParseghianExecutive Director
Trustee or director, Officer
50$82,917
Susan LynnerChair
Trustee or director, Officer
4$0
Denise SchlenerBoard member
Trustee or director
1$0
Tamara BeltVice Chair
Trustee or director, Officer
2$0
Dale TempleBoard member
Trustee or director
1$0
Nicholas NetchvolodoffTreasurer
Trustee or director, Officer
2$0
Melissa VanouseBoard member
Trustee or director
1$0
Elizabeth Edgeworth CantacuzeneBoard member
Trustee or director
2$0
Suzanna JemsbyBoard member
Trustee or director
1$0
Frank SwainBoard member
Trustee or director
1$0
Susie ZimmermannBoard member
Trustee or director
1$0
Myra RiggsBoard member
Trustee or director
1$0
Martha CovenBoard member
Trustee or director
1$0
Nicholas HillBoard member
Trustee or director
1$0
Jim MyersBoard member
Trustee or director
1$0
2 more people on this return
NameTitleHours / weekCompensation
Zach ShabenBoard member
Trustee or director
1$0
John WeinerBoard member
Trustee or director
1$0
990 for the year ended December 31, 2024: 17 people
NameTitleHours / weekCompensation
Lynn ParseghianExecutive Director
Trustee or director, Officer
50$102,083
Susan LynnerChair
Trustee or director, Officer
4$0
Denise SchlenerBoard member
Trustee or director
1$0
Tamara BeltVice Chair
Trustee or director, Officer
2$0
Dale TempleBoard member
Trustee or director
1$0
Nicholas NetchvolodoffTreasurer
Trustee or director, Officer
2$0
Melissa VanouseBoard member
Trustee or director
1$0
Elizabeth Edgeworth CantacuzeneBoard member
Trustee or director
2$0
Suzanna JemsbyBoard member
Trustee or director
1$0
Frank SwainBoard member
Trustee or director
1$0
Susie ZimmermannBoard member
Trustee or director
1$0
Myra RiggsBoard member
Trustee or director
1$0
Martha CovenBoard member
Trustee or director
1$0
Nicholas HillBoard member
Trustee or director
1$0
Jim MyersBoard member
Trustee or director
1$0
Sauleh SiddiquiBoard member
Trustee or director
1$0
John WeinerBoard member
Trustee or director
1$0
990 for the year ended December 31, 2023: 17 people
NameTitleHours / weekCompensation
Lynn ParseghianExecutive Director
Trustee or director, Officer
50$75,000
Susan LynnerChair
Trustee or director, Officer
4$0
Denise SchlenerBoard member
Trustee or director
1$0
Tamara BeltVice Chair
Trustee or director, Officer
2$0
Dale TempleBoard member
Trustee or director
1$0
Nicholas NetchvolodoffTreasurer
Trustee or director, Officer
2$0
Melissa VanouseBoard member
Trustee or director
1$0
Elizabeth Edgeworth CantacuzeneBoard member
Trustee or director
2$0
Suzanna JemsbyBoard member
Trustee or director
1$0
Frank SwainBoard member
Trustee or director
1$0
Peter ColarulliBoard member
Trustee or director
1$0
Sophie HawkinsBoard member
Trustee or director
1$0
Martha CovenBoard member
Trustee or director
1$0
Nicholas HillBoard member
Trustee or director
1$0
Jim MyersBoard member
Trustee or director
1$0
Sauleh SiddiquiBoard member
Trustee or director
1$0
John WeinerBoard member
Trustee or director
1$0

Address and contacts

Address (IRS master file)
2954 MACOMB ST NW, WASHINGTON, DC 20008-3315
In care of
% LYNN PARSEGHIAN
Principal officer (990 for 2025)
Lynn Parseghian, 2954 Macomb Street NW, Washington, DC 20008
Signed the 990
Lynn Parseghian, Executive Director
Phone
(202) 491-4401
Return prepared by
Taksey Neff & Associates LLC

Mission

To restore and maintain 13 acres of historic landscape.

990 for the year ended December 31, 2025

Program accomplishments

  • In 2025, the Tregaron Conservancy continued to pursue its mission to restore, rehabilitate and maintain its historically landmarked property, inspired by landscape architect Ellen Biddle Shipman's original, early 20th century designs, for the benefit of the public. The Conservancy's landscape stewardship work in 2025 included the following: mapping, tagging, inventorying and evaluating over 800 trees on Tregaron property; designing and planting historically inspired "wild gardens," featuring predominantly native trees, shrubs, and perennials; maintaining trails; improving storm-water management; and clearing non-native vines and other invasive species. The Conservancy continued to manage and improve its native grass and wildflower meadows. The Conservancy also worked with its arborists and professional maintenance crew to undertake tree care and pruning. Extensive tree removal work was performed as needed. The Conservancy's stewardship and historic rehabilitation work was performed under staff supervision, based on guidance in its cultural landscape report, and pursuant to an annual management calendar. The Conservancy landscape remained open to the public every day, dawn to dusk, during 2025. The Conservancy offered a wide variety of well-attended community programs free of charge in 2025, including bird walks, landscape design, climate adaptation and tree tours, music performances, tai chi, yoga, and programs for students, including guided nature walks and story-time. The Conservancy hosted visits by over 500 students from both under-resourced communities participating in the Horizons Greater Washington summer camp program and from local public elementary schools. The Conservancy also maintained a robust volunteer service program, with hundreds of hours contributed by volunteers, both adults and students.
    Expenses $234,954

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
20-5111004
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2007
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C34)
Assets (IRS master file)
$4,130,247
Income (IRS master file)
$731,708

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$731,708$311,116$4,130,247XML
990December 2024$797,601$281,089$3,705,973XML
990December 2023$351,521$220,716$3,189,062XML
990December 2022$343,008$214,246$3,058,498IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS
990December 2017–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 20-5111004).

Questions about TREGARON CONSERVANCY

What is the EIN of TREGARON CONSERVANCY?
The employer identification number (EIN) of TREGARON CONSERVANCY is 20-5111004.
Is TREGARON CONSERVANCY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2007.
Are donations to TREGARON CONSERVANCY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does TREGARON CONSERVANCY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of TREGARON CONSERVANCY due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did TREGARON CONSERVANCY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of TREGARON CONSERVANCY?
The 990 for the year ended December 31, 2025 names Lynn Parseghian.
Who are the officers and directors of TREGARON CONSERVANCY?
The 990 for the year ended December 31, 2025 lists 17 people; 1 received compensation from the organization, the highest $82,917 (Lynn Parseghian, Executive Director).
How much revenue does TREGARON CONSERVANCY have?
On its 990 for the year ended December 31, 2025 it reported revenue of $731,708, expenses of $311,116 and total assets of $4,130,247 at year end.

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